Patents by Inventor Gaston Bergasse

Gaston Bergasse has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Projection printing system with an improved mask configuration
    Patent number: 4063812
    Abstract: In a projection printing system the pattern mask, whose image is projected onto a light sensitive layer, is encased in a glass sandwich so that any dirt particles on the surfaces of the sandwich are out of focus and are not printed in the light sensitive layer.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: December 20, 1977
    Assignee: International Business Machines Corporation
    Inventors: Gerard Abraham, Gaston Bergasse